[TASK] Acceptance tests: Reset be_user uc after test

Since reduce possible side effects between tests the
typo3 codeception module resets be_user uc of the
admin user after each test.

Change-Id: I8ae0af84b7a10e3760737c1f5c5fd3ec5790a2be
Resolves: #75826
Releases: master
Reviewed-on: https://review.typo3.org/47824


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>